TY - GEN AU - Reyes Pérez, Ana AU - Gómez Hernández, Nuria AU - Espejo Arias, María Teresa AU - Blanc García, María Rosario PY - 2026 SN - 1386-1425 SN - 1873-3557 UR - https://hdl.handle.net/10481/108725 AB - School maps from the 19th and 20th centuries are a very interesting heritage typology, but they have received little social or cultural recognition. Due to the poor quality of the composition materials of these documents and a lack of concern for... LA - eng PB - Elsevier KW - School map KW - Education heritage KW - Paper TI - Identifying the components of paper, inks and varnishes in samples of 19TH and 20TH century school maps using non-invasive analytical techniques FTIR-ATR and XRF DO - 10.1016/j.saa.2025.127300 ER -